 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 22, 2012
 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 13, 2022
 Spiny button-like flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, June 15, 2008
 Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Close up of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Flower heads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 4, 2010
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) with a butterfly in dew in Lick Creek Park. College Station, Texas, June 1, 2010
 Dry seed heads of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, October 11, 2012
 Flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Spiny flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 24, 2013
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 Blooming button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Umbels of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Flower head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 Umbels of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Dense apical umbel of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Delta flower scarab beetles (Trigonopeltastes delta) on button snakeroot in Lick Creek Park. College Station, Texas, July 1, 2014
 Boneset flowers (white snakeroot, Ageratina altissima) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 15, 2020
 Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, April 22, 2021
 Leaves of Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, March 31, 2024
 White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Button mushrooms (Agaricus) in Lick Creek Park. College Station, Texas, June 21, 2019
 Button of a mushroom Amanita pubescens in Lick Creek Park. College Station, Texas, October 3, 2018
 Button of Amanita pubescens mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 2024
 Common button lichen (Buellia stillingiana) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Button mushrooms Agaricus sect. Xanthodermatei in Lick Creek Park. College Station, Texas, October 5, 2018
 Common button lichen (Buellia stillingiana) on oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
 Common button lichen (Buellia stillingiana) (black) in Lick Creek Park. College Station, Texas, January 18, 2019
 Button mushrooms (Agaricus) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Hooker s eryngo (Eryngium hookeri) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 Bur-like seed capsules with hooks of Canadian black snakeroot (Sanicula canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Bridge across Lick Creek on Deer Run Trail in Lick Creek Park. College Station, Texas, July 25, 2008
 Button of Amanita mushroom on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 7, 2018
 Cattails (typha) on Deer Run Trail in Lick Creek Park. College Station, Texas, July 25, 2008
 A creek near Deer Run Trail in Lick Creek Park. College Station, Texas, July 14, 2022
 Bridge across Lick Creek on Deer Run Trail in Lick Creek Park at rain. College Station, Texas. Texas, August 15, 2013
 View of a creek from Deer Run Trail in Lick Creek Park. College Station, Texas, July 20, 2022
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
 Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Summer-blooming thistles (Cirsium engelmannii) in Lick Creek Park, on Deer Run Trail. College Station, July 6, 2008
 Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Trunk of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, July 20, 2022
 Muscadine grape (Vitis rotundifolia) vine on Deer Run Trail in Lick Creek Park. College Station, Texas, July 25, 2008
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, April 16, 2019
 Spiny branches of Coral fungus (Hericium coralloides mushroom) growing from a rotten log in Lick Creek Park. College Station, Texas, November 16, 2013
 Button of a young mushroom Amanita rhoadsii(?) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 7, 2018
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 Shoots of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 White mistflower (Ageratina havanensis, Havana snakeroot) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 15, 2022
 Exfoliating bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, July 20, 2022
 Prickly seeds with hooks of Canadian black snakeroot (Sanicula canadensis) in Antique Rose Emporium. Independence, Texas, July 2, 2022
 Blooming white mistflower (Ageratina havanensis, Havana snakeroot) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 15, 2022
 Button stage of some mushrooms under pines near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, July 11, 2021
 Red-banded Hairstreak (Calycopis cecrops) butterfly on white mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, October 18, 2009
 Deer shield mushroom (Pluteus cervinus) on a rotting log in Lick Creek Park. College Station, Texas, July 5, 2019
 Lick Creek from a bridge on Deer Run Trail in Lick Creek Park. College Station, Texas, November 20, 2008
 Little wood satyr butterfly, Hermeuptychia (Euptychia) hermes, on white mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, October 18, 2009
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Deer Run Trail in fog in Lick Creek Park. College Station, Texas, November 6, 2018
 Deer Run Trail in Lick Creek Park. College Station, Texas, October 14, 2008
 A crawfish at Deer Run Trail in Lick Creek Park. College Station, Texas, May 26, 2007
 Deer Run Trail in Lick Creek Park. College Station, Texas, October 8, 2008
 Deer Run Trail in Lick Creek Park. College Station, Texas, January 21, 2007
 Deer Run Trail in Lick Creek Park. College Station, Texas, January 14, 2012
 Deer Run Trail in Lick Creek Park. College Station, Texas, October 27, 2012
 Deer Run Trail bridge in Lick Creek Park. College Station, Texas, August 16, 2008
 Deer Run Trail near the bridge in Lick Creek Park. College Station, Texas, August 16, 2008
 Sycamore on Deer Run Trail in fog in Lick Creek Park. College Station, Texas, November 5, 2007
 Deer Run Trail in Lick Creek Park at mist. College Station, Texas, October 14, 2008
 Forest around Deer Run Trail in fog in Lick Creek Park. College Station, Texas, August 16, 2008
 Oaks on Deer Run Trail in Lick Creek Park. College Station, Texas, October 14, 2008
 Beautyberry near Deer Run Trail in Lick Creek Park. College Station, Texas, September 16, 2007
 Beautyberry near Deer Run Trail in Lick Creek Park. College Station, Texas, September 17, 2007
 Bridge of Deer Run Trail in Lick Creek Park. College Station, Texas, November 21, 2009
 Sneezeweed near Deer Run Trail in Lick Creek Park. College Station, Texas, September 17, 2007
 Bridge of Deer Run Trail in fog in Lick Creek Park. College Station, Texas, November 5, 2007
 Spider web near Deer Run Trail in Lick Creek Park. College Station, Texas, September 29, 2007
 Oxbow near Deer Run Trail in Lick Creek Park. College Station, Texas, December 5, 2009
 A creek near Deer Run Trail in Lick Creek Park. College Station, Texas, May 13, 2018
 Big spiny spider in Lick Creek Park. College Station, Texas, April 11, 2010
 Prairie Gaillardia in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
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